Article(id=1322940986707554842, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322940959071285581, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2024.07.322, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1720195200000, receivedDateStr=2024-07-06, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343310286, onlineDateStr=2026-10-30, pubDate=1749916800000, pubDateStr=2025-06-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343310286, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343310286, creator=13701087609, updateTime=1793343310286, updator=13701087609, issue=Issue{id=1322940959071285581, tenantId=1146029695717560320, journalId=1281212831689347082, year='2025', volume='45', issue='6', pageStart='551', pageEnd='660', issueExtLink='null', onlineDate='null', pubDate='1749916800000', pubDateStr='2025-06-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343303697, creator='13701087609', updateTime=1793343303697, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=551, endPage=554, 579, ext={EN=ArticleExt(id=1322940988041343515, articleId=1322940986707554842, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=Time-Varying Characteristics of ERP Parameters Determined by Different Spatial Geodetic Techniques, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
This paper takes the Earth rotation parameters(ERP) obtained by each individual measurement means as research data, and outputs the processing results in the time domain and frequency domain respectively. Then the index parameters obtained from each analysis are compared with the data analysis results obtained by joint calculation in international Earth rotation service(IERS). The results show that the time-varying characteristics of ERP obtained by various measurement methods are different.
, authors=Erhu WEI
1, Yan ZHU
1, Yunlong ZHANG
2, Yile LUO
1, Xiaojing TIAN
3, Jingnan LIU
4, authorsList=Erhu WEI, Yan ZHU, Yunlong ZHANG, Yile LUO, Xiaojing TIAN, Jingnan LIU, authorCompany=null, correspAuthors=null, authorNote=
, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322940989018616354, articleId=1322940986707554842, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=不同空间大地技术确定的ERP参数时变特征分析, columnId=1322506169105633839, journalTitle=大地测量与地球动力学, columnName=现代大地测量, runingTitle=null, highlight=null, articleAbstract=
以各单独测量手段得到的地球自转参数(ERP)为基础,分别输出时域和频域的处理结果,再将每次分析得到的指标参数与国际地球自转服务(IERS)联合解算得到的数据分析结果进行横向对比。结果表明,不同测量手段得到的ERP的时变特征存在一定差异。
, authors=魏二虎
1, 朱颜
1, 张云龙
2, 罗一乐
1, 田晓静
3, 刘经南
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版权所有,未经授权,不得转载。, copyrightOwner=大地测量与地球动力学编辑部, extLink=null, articleAbsUrl=null, sourceXml=CGLuIacbG4HBHLur044jrA==, magXml=wwozSsOsgvUtD89ZDiGCSw==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=dmMZ5xXOxMEt92BqqtThiQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=o0w5m+9rBngmW2OxiEmPfQ==, mapNumber=null, fund=null)}, authors=[Author(id=1322940989677122096, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=ehwei@sgg.whu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322940989874254386, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, authorId=1322940989677122096, language=EN, stringName=Erhu WEI, firstName=Erhu, middleName=null, lastName=WEI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1 School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China, bio={"content":"
WEI Erhu, PhD, professor, majors in space geodesy and navigation, E-mail: ehwei@sgg.whu.edu.cn
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WEI Erhu, PhD, professor, majors in space geodesy and navigation, E-mail: ehwei@sgg.whu.edu.cn
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1, address=1 武汉大学测绘学院, 武汉市珞喻路129号, 430079, bio={"content":"
魏二虎, 博士, 教授, 主要从事空间大地测量与导航研究, E-mail: ehwei@sgg.whu.edu.cn
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Temporal distribution of ERP, figureFileSmall=y16w3e1DMGa+a/lNyHVzOg==, figureFileBig=dmMZ5xXOxMEt92BqqtThiQ==, tableContent=null), ArticleFig(id=1322940993837871706, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=CN, label=图1, caption=
ERP时序分布, figureFileSmall=y16w3e1DMGa+a/lNyHVzOg==, figureFileBig=dmMZ5xXOxMEt92BqqtThiQ==, tableContent=null), ArticleFig(id=1322940994009838171, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=EN, label=Fig. 2, caption=
Frequency domain distribution of ERP parameters, figureFileSmall=BuJSXvnhCcJ2dmrD5zW2eQ==, figureFileBig=sXi28kGKVlvpAZ8vsW9Iog==, tableContent=null), ArticleFig(id=1322940994106307164, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=CN, label=图2, caption=
ERP参数频域分布, figureFileSmall=BuJSXvnhCcJ2dmrD5zW2eQ==, figureFileBig=sXi28kGKVlvpAZ8vsW9Iog==, tableContent=null), ArticleFig(id=1322940994177610333, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=EN, label=Fig. 3, caption=
Power spectral density of ERP from IERS, figureFileSmall=UoHvbK5EC+5jTLfdiwuOpQ==, figureFileBig=CxA5lJS4uMX9WB/1K5ytIw==, tableContent=null), ArticleFig(id=1322940994244719198, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=CN, label=图3, caption=
IERS的ERP功率谱密度, figureFileSmall=UoHvbK5EC+5jTLfdiwuOpQ==, figureFileBig=CxA5lJS4uMX9WB/1K5ytIw==, tableContent=null), ArticleFig(id=1322940994336993887, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=EN, label=Tab. 1, caption=
Time domain indicators of ERP
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| 来源指标 | X极移均方差/(″)2 | X极移标准差/(″) | Y极移均方差/(″)2 | Y极移标准差/(″) | UT1-UTC均方差/s2 | UT1-UTC标准差/s |
| IERS | | 0.119 5 | | 0.113 9 | | 0.327 7 |
| IGS | 0.009 1 | 0.119 5 | 0.008 0 | 0.114 3 | 0.039 2 | 0.327 6 |
| IVS | 0.002 6 | 0.104 7 | 0.002 8 | 0.095 5 | 0.021 9 | 0.279 9 |
| ILRS | 0.003 7 | 0.094 0 | 0.004 0 | 0.087 5 | 0.024 3 | 0.246 3 |
| IDS | 0.005 2 | 0.119 3 | 0.004 6 | 0.113 7 | 0.032 8 | 0.222 8 |
), ArticleFig(id=1322940994416685664, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=CN, label=表1, caption=
ERP时域指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 来源指标 | X极移均方差/(″)2 | X极移标准差/(″) | Y极移均方差/(″)2 | Y极移标准差/(″) | UT1-UTC均方差/s2 | UT1-UTC标准差/s |
| IERS | | 0.119 5 | | 0.113 9 | | 0.327 7 |
| IGS | 0.009 1 | 0.119 5 | 0.008 0 | 0.114 3 | 0.039 2 | 0.327 6 |
| IVS | 0.002 6 | 0.104 7 | 0.002 8 | 0.095 5 | 0.021 9 | 0.279 9 |
| ILRS | 0.003 7 | 0.094 0 | 0.004 0 | 0.087 5 | 0.024 3 | 0.246 3 |
| IDS | 0.005 2 | 0.119 3 | 0.004 6 | 0.113 7 | 0.032 8 | 0.222 8 |
), ArticleFig(id=1322940994513154657, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=EN, label=Tab. 2, caption=
Frequency domain indicators of ERP
, figureFileSmall=null, figureFileBig=null, tableContent=
| 来源指标 | X极移最大幅值/(″) | X极移主周期/d | Y极移最大幅值/(″) | Y极移主周期/d | UT1-UTC最大幅值/s | UT1-UTC主周期/s |
| IERS | 0.109 8 | 365.003 2 | 0.340 9 | 365.002 9 | 0.185 9 | 2.178×106 |
| IGS | 0.109 9 | 365.042 1 | 0.340 6 | 365.010 1 | 0.185 6 | 2.254×106 |
| IVS | 0.126 1 | 365.008 7 | 0.126 1 | 365.007 6 | 0.126 1 | 2.173×106 |
| ILRS | 0.082 7 | 365.026 5 | 0.377 3 | 365.011 2 | 0.140 9 | 2.282×106 |
| IDS | 0.111 2 | 365.011 6 | 0.341 1 | 365.024 6 | 0.125 1 | 2.301×106 |
), ArticleFig(id=1322940994597040738, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322940986707554842, language=CN, label=表2, caption=
ERP频域指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 来源指标 | X极移最大幅值/(″) | X极移主周期/d | Y极移最大幅值/(″) | Y极移主周期/d | UT1-UTC最大幅值/s | UT1-UTC主周期/s |
| IERS | 0.109 8 | 365.003 2 | 0.340 9 | 365.002 9 | 0.185 9 | 2.178×106 |
| IGS | 0.109 9 | 365.042 1 | 0.340 6 | 365.010 1 | 0.185 6 | 2.254×106 |
| IVS | 0.126 1 | 365.008 7 | 0.126 1 | 365.007 6 | 0.126 1 | 2.173×106 |
| ILRS | 0.082 7 | 365.026 5 | 0.377 3 | 365.011 2 | 0.140 9 | 2.282×106 |
| IDS | 0.111 2 | 365.011 6 | 0.341 1 | 365.024 6 | 0.125 1 | 2.301×106 |
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